nload
Monitor network traffic and bandwidth usage in real time.
External Tool
This open-source tool is maintained externally. View the source on GitHub to learn more or run it yourself.
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Open the official tool or demo — no account needed.
Self-host it
Run the open-source version on your own infrastructure.
What is nload?
nload is an open-source console-based tool designed to monitor network traffic and bandwidth usage in real time. It provides visualizations of incoming and outgoing data through two graphs, along with metrics like total data transferred and peak/min usage. This tool is primarily used by system administrators, developers, and network engineers to track and analyze network performance. It solves the problem of identifying bandwidth bottlenecks, ensuring optimal resource allocation, and diagnosing connectivity issues in local or remote systems. By offering real-time insights, nload helps users maintain stable network operations and troubleshoot anomalies without requiring complex infrastructure.
How it works
nload is a lightweight, text-based application that continuously monitors network interfaces, displaying live data on traffic flow. It is tailored for Linux, *BSD, Solaris, and HP-UX systems, enabling users to observe bandwidth consumption without graphical dependencies. The primary purpose of nload is to provide immediate feedback on network activity, making it ideal for environments where real-time monitoring is critical, such as server management or troubleshooting intermittent connectivity issues. nload visualizes traffic with two distinct graphs: one for incoming data and one for outgoing, using ASCII characters to represent data rates. It also tracks cumulative transfer statistics and highlights peak usage periods. Users can customize update intervals and interface selection to focus on specific network segments.
How to use it
- 1Install dependencies like automake, then run `./run_autotools` to prepare the build environment. 2. Compile the source code with `./configure && make`. 3. Install the tool system-wide using `sudo make install`. 4. Launch nload via the command line, optionally specifying an interface (e.g., `nload eth0`). Practical tips: Use `--help` to explore command-line options, and combine it with tools like `iftop` for deeper analysis. For persistent monitoring, integrate it into scripts or cron jobs.
What it can do
- network bandwidth
Use cases
Assumptions and limitations
Assumptions
- source: https://github.com/rolandriegel/nload
- license: GPL-2.0 — free to use
- privacy: Self-hosted — you control your data
Limitations
- Lacks a graphical user interface (GUI), requiring text-based interaction.
- Does not support real-time alerts or notifications for threshold breaches.
- Limited compatibility with modern Linux distributions without proper package repositories.
- Cannot capture or analyze packet-level details, only aggregate bandwidth metrics.
- Requires manual installation and configuration, which may be challenging for novice users.
Understanding the result
Monitor network traffic and bandwidth usage in real time.
Tool details
- Clearly flagged when a network request is needed.
- No account, no sign-up, and no tracking of your content.
- Powered by (MIT).
- Built with
- (rolandriegel/nload)
- License
- MIT
- Runs locally
- No — requires a network request
- Verification
- Not yet verified
- Input
- Query
- Output
- Text
Built with rolandriegel/nload. OpenToolVault provides the discovery and browser interface while crediting the original project maintainers.
- Built with
- License
- MIT
Open-source project
OpenToolVault is an independent directory. We are not affiliated with or endorsed by this project.
References
- / — GitHub Repository
Upstream project · GitHub
- GPL-2.0 License
Upstream project
Frequently asked
What is nload and what does it monitor?
nload is a console-based tool that monitors network traffic and bandwidth usage in real time. It tracks incoming and outgoing data rates, total transfer amounts, and peak/min usage across specified network interfaces. It is designed for Linux, *BSD, Solaris, and HP-UX systems, providing visualizations through ASCII graphs.
How does nload visualize network traffic?
nload uses two ASCII-based graphs to represent incoming and outgoing traffic. The graphs update in real time, with each character corresponding to data transfer rates. Users can customize the refresh interval and interface selection to focus on specific network segments. Metrics like total data transferred and peak usage are displayed alongside the graphs.
How do I install nload on a Linux system?
To install nload, first ensure automake is installed. Download the source code from GitHub, then run `./run_autotools` to prepare the build. Compile with `./configure && make`, and install using `sudo make install`. For specific interface monitoring, launch it with `nload <interface>` (e.g., `nload eth0`).
How does nload compare to alternatives like iftop or nethogs?
nload focuses on real-time bandwidth visualization with simple ASCII graphs, while iftop provides detailed packet-level analysis and nethogs identifies bandwidth-hogging processes. Unlike these tools, nload lacks advanced filtering and does not support packet inspection, making it simpler but less granular for complex network analysis.
What should I do if nload fails to compile?
Common issues include missing dependencies like automake or incorrect environment variables. Verify automake is installed, then re-run `./run_autotools` to regenerate build scripts. If errors persist, check the `INSTALL` file in the source directory for OS-specific instructions. Ensure all required libraries and tools are available before compiling.